#CF423F#CF423F

#CF423F is a mid, vivid red. Relative luminance 0.175; OKLCH L 58.1% C 0.178 H 25.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#CF423F
RGB	rgb(207, 66, 63)
HSL	hsl(1, 60%, 53%)
HSV	hsv(1, 70%, 81%)
CMYK	cmyk(0%, 68.1%, 69.6%, 18.8%)
CIE-LAB	lab(48.91, 55.17, 33.44)
CIE-LCH	lch(48.91, 64.51, 31.22°)
OKLab	oklab(58.08% 0.1606 0.0771)
OKLCH	oklch(58.08% 0.178 25.7)
XYZ	xyz(28.5806, 17.5249, 6.5794)
Luminance	0.1752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF423F #3FCCCF

analogous

#CF3F84 #CF423F #CF8A3F

triadic

#CF423F #3FCF42 #423FCF

tetradic

#CF423F #84CF3F #3FCCCF #8A3FCF

square

#CF423F #84CF3F #3FCCCF #8A3FCF

split-complementary

#CF423F #3FCF8A #3F84CF

monochromatic

#761F1E #A72C2A #CF423F #DB7270 #E7A2A1

Accessibility & contrast

On white

4.66

#CF423F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#CF423F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CF423F

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF423F	#FFFFFF	#000000	##FFFFFF
##CF423F	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613D

Deuteranopia (green-blind)

#8D7F3B

Tritanopia (blue-blind)

#E31843

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cf423f;
/* rgb */ color: rgb(207, 66, 63);
/* oklch */ color: oklch(58.1% 0.178 25.7);

Tailwind

colors: {
  custom: {
    50: '#e67f74',
    500: '#cf423f',
    950: '#000000',
  },
}

SCSS

$custom: #cf423f;
$custom-light: #e67f74;
$custom-dark: #000000;

JSON

{
  "hex": "#cf423f",
  "rgb": {
    "r": 207,
    "g": 66,
    "b": 63
  },
  "hsl": {
    "h": 1.25,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58084,
    "c": 0.17816,
    "h": 25.7
  },
  "luminance": 0.17521
}

Semantic roles & 50–950 ramp

primary

#CF423F

secondary

#96D3D4

accent

#E0E345

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CF423F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →